1.内容概述投掷实心球是体育达标项目之一,常常有同学因为投掷距离差了一、二十厘米而不能达标,甚至在升学考试中失分,要想得到好成绩,除了要依靠力量外,还需要投掷技巧,其中之一便是掌握好出手角度,最佳角度可以根据实验和一定的数学工具计算得到. 1. Description of the content The throwing of solid medicine is one of the sport’s attainment criteria. There are often schoolmates who cannot reach the standard because they are thrown a distance of one or twenty centimeters, or even lose points in the entrance examination. In order to obtain good results, in addition to relying on strength, One of the tricks is throwing skills. One of them is to master the shot angle. The best angle can be calculated based on experiments and certain mathematical tools.